The paper unifies existing multimodal VAE aggregation schemes as barycenters under KL divergence and introduces WB-VAE, which aggregates unimodal posteriors via the 2-Wasserstein barycenter.
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Multimodal Variational Autoencoder: a Barycentric View
The paper unifies existing multimodal VAE aggregation schemes as barycenters under KL divergence and introduces WB-VAE, which aggregates unimodal posteriors via the 2-Wasserstein barycenter.